Perhaps you should try some spelling variations:
heat transport » sea transport, clean transport, road transport
transfer costs » transport costs, transfer amounts
cash transfer » cash transfers
tariffs marc » tariffs a, tariffs data
costs cash » costs case
luis a » luis f, luis c
a cash » a case

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis _ heat transport tariffs marc ) OR ( luis a cash transfer costs cash ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis _ heat transport tariffs marc ) or ( luis a cash transfer costs cash ))*.